From: Scott Worley Date: Tue, 10 Oct 2023 23:51:57 +0000 (-0700) Subject: server: Only write CSV headers when initially creating the log file X-Git-Tag: v0.1.0~9 X-Git-Url: http://git.scottworley.com/tattlekey/commitdiff_plain/7a3bc82f02480088052d4d583c89b7cd9c90f8cf?ds=sidebyside server: Only write CSV headers when initially creating the log file --- diff --git a/server/src/main.rs b/server/src/main.rs index 62ef41e..573edc5 100644 --- a/server/src/main.rs +++ b/server/src/main.rs @@ -81,12 +81,15 @@ impl Range { } fn main() { + let log_file_exists = std::path::Path::new(LOGFILENAME).exists(); let logfile = std::fs::OpenOptions::new() - .create(true) + .create_new(!log_file_exists) .append(true) .open(LOGFILENAME) .expect("Coudln't open log file"); - let mut log = csv::Writer::from_writer(logfile); + let mut log = csv::WriterBuilder::new() + .has_headers(!log_file_exists) + .from_writer(logfile); let mut presses = HashMap::::new(); let socket = UdpSocket::bind("0.0.0.0:29803").expect("couldn't bind to address"); loop {